Perpugilliam “Peri” Brown, is a fictional character played by Nicola Bryant in the long-running British science fiction television series Doctor Who. An American botany major from Pasadena, California, Peri is a companion of the Fifth (Peter Davison) and Sixth Doctor (Colin Baker) and a regular in the programme from 1984 to 1986, appearing in a total of 11 stories (collectively made up of 33 episodes).